India, officially the Republic of India (Bhārat Gaṇarājya), is a country in South Asia. It is the most populous country with over 1.4 billion people, and the most populous democracy in the world. Bounded by the Indian Ocean on the south, the Arabian Sea on the south-west, and the Bay of Bengal on the south-east, it shares land borders with Afghanistan and Iran to the west; China to the north; and Burma to the east.